Nuprl Lemma : sequence-class_wf

∀[Info,A,B:Type]. ∀[X:EClass(A)]. ∀[Y:EClass(B)]. ∀[Z:EClass(A)].  (sequence-class(X;Y;Z) ∈ EClass(A))


Proof




Definitions occuring in Statement :  sequence-class: sequence-class(X;Y;Z),  eclass: EClass(A[eo; e]),  uall: ∀[x:A]. B[x],  member: t ∈ T,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  sequence-class: sequence-class(X;Y;Z),  eclass: EClass(A[eo; e]),  subtype_rel: A ⊆r B,  prop: ℙ,  so_lambda: λ2x.t[x],  and: P ∧ Q,  all: ∀x:A. B[x],  implies: P ⇒ Q,  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  band: p ∧b q,  ifthenelse: if b then t else f fi ,  uiff: uiff(P;Q),  uimplies: b supposing a,  exists: ∃x:A. B[x],  or: P ∨ Q,  sq_type: SQType(T),  guard: {T},  bnot: ¬bb,  assert: ↑b,  bfalse: ff,  false: False,  so_apply: x[s],  sq_exists: ∃x:{A| B[x]},  squash: ↓T,  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2]

Latex:
\mforall{}[Info,A,B:Type].  \mforall{}[X:EClass(A)].  \mforall{}[Y:EClass(B)].  \mforall{}[Z:EClass(A)].
    (sequence-class(X;Y;Z)  \mmember{}  EClass(A))



Date html generated: 2016_05_17-AM-00_24_24
Last ObjectModification: 2015_12_29-AM-00_45_39

Theory : event-ordering


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